Tadpole Golf Corp. is launching a web site where consumers can buy used Callaway golf clubs. Golfers who buy new clubs at selected test stores will receive a credit on the purchase if they trade in their existing clubs.

Tadpole Golf Corp. is launching a web site where consumers can buy used Callaway golf clubs. Golfers who buy new clubs at selected test stores will receive a credit on the purchase if they trade in their existing clubs.